[PATCH 12/13] drm/msm: make fb debugfs file available only in KMS case

[Dmitry Baryshkov]

Don't register the 'fb' debugfs file, if there is no KMS (and so no
framebuffers).

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 drivers/gpu/drm/msm/msm_debugfs.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_debugfs.c 
b/drivers/gpu/drm/msm/msm_debugfs.c
index 06fc632fd6f9..04d304eed223 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -266,6 +266,9 @@ static int msm_fb_show(struct seq_file *m, void *arg)
 static struct drm_info_list msm_debugfs_list[] = {
                {"gem", msm_gem_show},
                { "mm", msm_mm_show },
+};
+
+static struct drm_info_list msm_kms_debugfs_list[] = {
                { "fb", msm_fb_show },
 };
 
@@ -314,9 +317,13 @@ void msm_debugfs_init(struct drm_minor *minor)
        debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
                dev, &msm_gpu_fops);
 
-       if (priv->kms)
+       if (priv->kms) {
+               drm_debugfs_create_files(msm_kms_debugfs_list,
+                                        ARRAY_SIZE(msm_kms_debugfs_list),
+                                        minor->debugfs_root, minor);
                debugfs_create_file("kms", S_IRUSR, minor->debugfs_root,
                                    dev, &msm_kms_fops);
+       }
 
        debugfs_create_u32("hangcheck_period_ms", 0600, minor->debugfs_root,
                &priv->hangcheck_period);
-- 
2.39.2